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astro-ph.CO2025
A cosmographic analysis using DESI-DR2 and strong lensing: I. Time-Delay measurements
Darshan Kumar, Deepak Jain, Shobhit Mahajan
Strong gravitational lensing time-delay measurements, together with the distance sum rule (DSR), offer a model-independent approach to probe the geometry and expansion of the unive…
astro-ph.CO2025
A cosmographic analysis using DESI-DR2 and strong lensing: II. Distance Ratio measurements
Darshan Kumar, Deepak Jain, Shobhit Mahajan
The distance ratios derived from strong lensing systems, combined with complementary cosmological observations, allow for the study of cosmic expansion and curvature without assumi…